81021030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 200648448

約数和(自身を除く): 119627418

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 181, 215, 258, 347, 362, 430, 543, 645, 694, 905, 1041, 1086, 1290, 1735, 1810, 2082, 2715, 3470, 5205, 5430, 7783, 10410, 14921, 15566, 23349, 29842, 38915, 44763, 46698, 62807, 74605, 77830, 89526, 116745, 125614, 149210, 188421, 223815, 233490, 314035, 376842, 447630, 628070, 942105, 1884210, 2700701, 5401402, 8102103, 13503505, 16204206, 27007010, 40510515, 81021030]

約数ペア:

[(1, 81021030), (2, 40510515), (3, 27007010), (5, 16204206), (6, 13503505), (10, 8102103), (15, 5401402), (30, 2700701), (43, 1884210), (86, 942105), (129, 628070), (181, 447630), (215, 376842), (258, 314035), (347, 233490), (362, 223815), (430, 188421), (543, 149210), (645, 125614), (694, 116745), (905, 89526), (1041, 77830), (1086, 74605), (1290, 62807), (1735, 46698), (1810, 44763), (2082, 38915), (2715, 29842), (3470, 23349), (5205, 15566), (5430, 14921), (7783, 10410)]